orbit-db/benchmarks/benchmark-load.js

55 lines
1.4 KiB
JavaScript

'use strict'
const IPFS = require('ipfs')
const IPFSRepo = require('ipfs-repo')
const DatastoreLevel = require('datastore-level')
const OrbitDB = require('../src/OrbitDB')
console.log("Starting IPFS...")
const repoConf = {
storageBackends: {
blocks: DatastoreLevel
}
}
const ipfs = new IPFS({
repo: new IPFSRepo('./orbitdb/benchmarks/load/ipfs', repoConf),
start: false
})
ipfs.on('error', (err) => console.error(err))
ipfs.on('ready', async () => {
const run = async () => {
try {
const orbit = await OrbitDB.createInstance(ipfs, { directory: './orbitdb/benchmarks' })
const db = await orbit.eventlog('orbit-db.benchmark', { replicate: false })
const amount = 1000
console.log('DB entries:', amount)
console.log('Writing DB...')
const st1 = new Date().getTime()
for (let i = 0; i < amount; i++) {
await db.add('a' + i)
}
const et1 = new Date().getTime()
console.log('writing took', (et1 - st1), 'ms')
await db.close()
const db2 = await orbit.eventlog('orbit-db.benchmark', { replicate: false })
console.log('Loading DB...')
const st2 = new Date().getTime()
await db2.load()
const et2 = new Date().getTime()
console.log('load took', (et2 - st2), 'ms')
process.exit(0)
} catch (e) {
console.log(e)
process.exit(1)
}
}
run()
})